Link's First Custom Cube: Virtual Booster

Singularity    R  Enchantment When Singularity enters the battlefield, exile all other nonland permanents until Singularity leaves the battlefield.	No more uncommons	No more uncommons	No more uncommons	Jealous Judge    C  Creature – Noble Gaining life is against the law. Whenever an opponent breaks the law, put a +1/+1 counter on each Noble creature you control. 2/2
Crystalline Fields    C  Land – Plains Island (: Add or to your mana pool.) When Crystalline Fields enters the battlefield, sacrifice it unless you pay .	Magnetic Performance    C  Instant Choose any number — • Magnetic Performance deals 3 damage to target player. • Destroy target artifact. • Each player with no cards in hand draws two cards. Magnetic Performance costs more to cast for each mode chosen beyond the first.	Moaning Wind    C  Sorcery Create a 1/1 black and white Spirit creature token. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) If you discarded a Swamp to cast Moaning Wind, each opponent loses 1 life.	Wizard's Study    C  Enchantment , Tap an untapped creature, an untapped artifact, and an untapped enchantment you control: Draw a card. : Untap target permanent. Drawing on all the disciplines is the only way to true knowledge.	Eira, Merciful Blade    C  Legendary Creature – Angel Flying, haste When Eira, Merciful Blade enters the battlefield, you may return target legendary or planeswalker card from your graveyard to the battlefield. It gains haste until end of turn. 4/4
Foremost Riddler    C  Creature – Sphinx Flying Enlighten — Foremost Riddler costs less to cast for each card you've drawn this turn. Whenever a Sphinx creature you control becomes blocked, you Gain a victory counter. (A player with 10 or more victory counters wins the game.) 4/3	Sunlit Valley    C  Land – Mountain Plains (: Add or to your mana pool.) When Sunlit Valley enters the battlefield, sacrifice it unless you pay .	Starlit Lion    C  Creaure – Cat Flash When Starlit Lion enters the battlefield, exile another target permanent you own until Starlit Lion leaves the battlefield. 3/2	Splatter Painting    C  Enchantment Whenever a creature attacks, its controller exiles the top card of his or her library. Until end of turn, that player may play that card.	Archon of the Sword    C  Creature – Archon Flying Whenever Archon of the Sword or another creature you control leaves the battlefield, choose a card type. Each player sacrifices a permanent of that type. 4/4

Singularity (rare)
Jealous Judge (common)
Crystalline Fields (common)
Magnetic Performance (common)
Moaning Wind (common)
Wizard's Study (common)
Eira, Merciful Blade (common)
Foremost Riddler (common)
Sunlit Valley (common)
Starlit Lion (common)
Splatter Painting (common)
Archon of the Sword (common)